[1]黄瑞新,李爱群,张志强,等.北京奥林匹克中心演播塔TMD风振控制[J].东南大学学报(自然科学版),2009,39(3):519-524.[doi:10.3969/j.issn.1001-0505.2009.03.019] 　Huang Ruixin,Li Aiqun,Zhang Zhiqiang,et al.TMD vibration control of Beijing Olympic Center Broadcast Tower under fluctuating wind load[J].Journal of Southeast University (Natural Science Edition),2009,39(3):519-524.[doi:10.3969/j.issn.1001-0505.2009.03.019] 点击复制 北京奥林匹克中心演播塔TMD风振控制() 分享到： var jiathis_config = { data_track_clickback: true };

39

2009年第3期

519-524

2009-05-20

文章信息/Info

Title:
TMD vibration control of Beijing Olympic Center Broadcast Tower under fluctuating wind load

1 东南大学土木工程学院, 南京 210096; 2 东南大学混凝土与预应力混凝土结构教育部重点实验室, 南京 210096; 3 中国建筑设计研究院, 北京 100044
Author(s):
1 School of Civil Engineering,Southeast University,Nanjing 210096,China
2 Key Laboratory of Concrete and Prestressed-Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China
3 China Architecture Design and Research Group,Beijing 100044,China

Keywords:

TU311
DOI:
10.3969/j.issn.1001-0505.2009.03.019

Abstract:
Beijing Olympic Center Broadcast Tower is taken as an analytical case to examine wind-induced vibration control with a turned mass damper(TMD)under the fluctuation loads. First, a 3-D model of the tower is simplified to a 2-D model. Secondly, according to the random vibration theory, the fluctuating wind load of this tower is simulated as time history curves using the M.Shinozuka method. Thirdly, with these curves, calculated results of the 3-D model are in agreement with the results of the 2-D model, and calculation time is greatly saved using the 2-D model. Finally, the optimal TMD coefficients are obtained regarding the wind vibration response of upper story as optimization objectives. The analysis results show that the response of the tower under fluctuation wind load is far beyond the allowable range of the code. The wind vibration responses are decreased greatly with the TMD, and, with the optimal parameters of the TMD, the displacement and acceleration wind responses of the tower are reduced respectively by 43.1% and 29.5%. The TMD is useful for the control of wind-reduced vibration of the tower.

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